Even if your body has more of these muscle-building hormones like testosterone and IGF-1, it doesn’t mean you’ll grow bigger muscles from lifting weights over 12 weeks.

61

Pro

0

Against

Evidence from Studies

Supporting (1)

61

Community contributions welcome

61

Muscle Androgen Receptor Content but Not Systemic Hormones Is Associated With Resistance Training-Induced Skeletal Muscle Hypertrophy in Healthy, Young Men

Cohort Study

Human

2018

The study found that even though guys lifted weights for 12 weeks and got bigger, their hormone levels in the blood didn’t predict how much muscle they gained — only the number of hormone receptors in their muscles mattered.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Muscle Androgen Receptor Content but Not Systemic Hormones Is Associated With Resistance Training-Induced Skeletal Muscle Hypertrophy in Healthy, Young Men

Score: 61

DOI: 10.3389/fphys.2018.01373

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